/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.cassandra.journal;

import java.util.List;

import accord.utils.Invariants;
import org.apache.cassandra.io.util.File;

import static accord.utils.SortedArrays.SortedArrayList.ofSorted;

enum Component
{
    DATA           ("data"),
    INDEX          ("indx"),
    METADATA       ("meta");
    //OFFSET_MAP     (".offs"),
    //INVLALIDATIONS (".invl");

    public static final List<Component> VALUES = ofSorted(values());
    final String extension;

    Component(String extension)
    {
        this.extension = extension;
    }

    /**
     * @return if this component for the provided descrtiptor exists on disk
     */
    boolean existsFor(Descriptor descriptor)
    {
        return descriptor.fileFor(this).exists();
    }

    void markCorrupted(Descriptor descriptor)
    {
        File file = descriptor.fileFor(this);
        Invariants.require(file.exists());
        file.move(file.withSuffix(".corrupted"));
    }
}
